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schepotkina [342]
3 years ago
13

How many solutions does 5(x -3) + 6 = 5x - 9 have? Will mark brainlest

Mathematics
2 answers:
Lelu [443]3 years ago
7 0
Infinitely many solutions is the correct answer
zhenek [66]3 years ago
3 0

Answer:

infinitely many solutions

Step-by-step explanation:

Since both sides equal, there are infinitely many solutions.

Infinitely Many Solutions

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X = -2y + 300 3y = 800 - 4x
devlian [24]

Answer:

<h2>x = 140, y = 80</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}x=-2y+300&(1)\\3y=800-4x&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\3y=800-4(-2y+300)\qquad\text{use the distributive property:}\ a(b+c)=ab+ac\\\\3y=800+(-4)(-2y)+(-4)(300)\\\\3y=800+8y-1200\\\\3y=8y-400\qquad\text{subtract}\ 8y\ \text{from both sides}\\\\-5y=-400\qquad\text{divide both sides by (-5)}\\\\y=80\\\\\text{Put it to (1):}\\\\x=-2(80)+300\\\\x=-160+300\\\\x=140

8 0
3 years ago
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Kaylee put an empty cup underneath a leaking faucet. After 1 1/2 hours, Kaylee collected 1/4 cup of water. What is the rate in c
Tju [1.3M]

Answer:

I think it is 6/1

Step-by-step explanation:

You are wrong because 0.167 into a fraction is 167/1000 and that isn't one of the options but when I did it 1 1/2=3/2=1.5 and 1/4=0.25 so I did 1.5 divide by 0.25 and it gave me 6 so that why I think that my answer is correct and yours is not.

4 0
3 years ago
What is the formula for 'percent of change'?
Marina CMI [18]
First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × 100. If your answer is a negative number, then this is a percentage decrease. ( copy and paste from skillsyouneed.com )
6 0
3 years ago
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What number is 24% of 75
maria [59]
Remember that a percentage means "parts out of 100".  24% in decimal form is therefore 0.24, because it is 24 out of the possible 100, or 1.0.  To find 24% of 75, you just multiply 0.24 times 75:

75 x 0.24 = 18
7 0
3 years ago
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Consider the equations y = |x − 1| and y = 3x + 2.
Dima020 [189]
(-0.2,1.2)

substitute 3x+2 for y and set them equal to eachother then plug in x for y
5 0
3 years ago
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